﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WindowsFormsApplication1
{
    class pth
    {
        public BaoDong VeTrai;
        public BaoDong VePhai;
        public pth()
        {
            VeTrai = new BaoDong();
            VePhai = new BaoDong();
        }
    }
}
